Stor Drawer Frame Crossbars Series 16 Commercial grade steel construction with a baked on white epoxy finish. Series 16 size creates a storage drawer system that fits in spaces at least 18 inches wide. Set of four support crossbars assemble a pair of frame uprights into a single Stor Drawer unit. Essential for building a convenient Stor Drawer basket system to organize a laundry room kitchen pantry garage craft workspace or home office. Crossbars attach at the top and bottom of the frames on both the front and back to provide superior strength and stability.